package com.xinyue.framework.web.service;

import com.xinyue.system.domain.SysRole;
import com.xinyue.system.domain.SysUser;
import com.xinyue.system.service.ISysMenuService;
import com.xinyue.system.service.ISysRoleService;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

/**
 * 用户权限处理
 *
 * @author ruoyi
 */
@Component
public class SysPermissionService {

  @Autowired
  private ISysRoleService roleService;

  @Autowired
  private ISysMenuService menuService;

  /**
   * 获取角色数据权限
   *
   * @param user 用户信息
   * @return 角色权限信息
   */
  public Set<String> getRolePermission(SysUser user) {
    Set<String> roles = new HashSet<String>();
    // 管理员拥有所有权限
    if (user.isAdmin()) {
      roles.add("admin");
    } else {
      roles.addAll(roleService.selectRolePermissionByUserId(user.getUserId()));
    }
    return roles;
  }

  /**
   * 获取菜单数据权限
   *
   * @param user 用户信息
   * @return 菜单权限信息
   */
  public Set<String> getMenuPermission(SysUser user) {
    Set<String> perms = new HashSet<String>();
    // 管理员拥有所有权限
    if (user.isAdmin()) {
      perms.add("*:*:*");
    } else {
      List<SysRole> roles = user.getRoles();
      if (!CollectionUtils.isEmpty(roles)) {
        // 多角色设置permissions属性，以便数据权限匹配权限
        for (SysRole role : roles) {
          Set<String> rolePerms = menuService.selectMenuPermsByRoleId(role.getRoleId());
          role.setPermissions(rolePerms);
          perms.addAll(rolePerms);
        }
      } else {
        perms.addAll(menuService.selectMenuPermsByUserId(user.getUserId()));
      }
    }
    return perms;
  }
}
